Water-Cooled Radiofrequency Provides Pain Relief, Decreases Disability, and Improves Quality of Life in Chronic Knee Osteoarthritis.

Chronic osteoarthritis (OA) is a widespread source of pain and disability and represents a growing economic burden across aging populations. Representing a major focus of arthritis care, OA of the knee is especially concerning as it has the potential to restrict mobility and significantly impair quality of life. Chronic OA is often poorly managed both pharmacologically and nonpharmacologically, with surgical management representing the definitive treatment. Those who are not surgical candidates or simply opt for minimally invasive treatments are usually faced with a lack of alternatives. An additional treatment presents itself in the form of water-cooled radiofrequency ablation, which involves the use of thermal lesions to interrupt the active pain pathways. An 81-year-old woman with bilateral severe knee OA was initially seen and evaluated in an outpatient physiatry clinic after multiple previous workups of her ongoing knee pain. With a known diagnosis of end-stage knee OA, the patient chose to proceed with bilateral water-cooled radiofrequency ablation. At 6 weeks and 3 months after the procedure, the patient maintained adequate levels of pain relief, markedly improved function, and enhanced quality of life. Water-cooled radiofrequency ablation has the potential to create lasting pain relief and with minimal adverse effects in patients with chronic knee OA. Copyright (C) 2016 Wolters Kluwer Health, Inc. All rights reserved.

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